Infraorbital foramen

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Upper jaw of man

The infraorbital foramen ("lower eye hole", plural foramina infraorbitalia ) is an opening in the skull in the area of ​​the anterior surface ( facies anterior ) of the upper jaw . In humans, it is about 1 cm below the lower edge of the eye socket on both sides . The infraorbital foramen is the outer opening of the lower eye canal ( infraorbital canal ). Here come infraorbital nerve and the infraorbital artery and the vena infraorbitalis out.

The infraorbital foramen is one of the trigeminal pressure points . The infraorbital nerve can be switched off ( regional anesthesia) by injecting a conduction anesthetic into the area around the under eye opening . The anesthesia can both from the outside (extraoral access) or at the lateral incisor of the oral cavity carried out (intra oral) and causes pain elimination of Oberkieferschneide- , canines and premolars , of the oral cavity atrium, the upper lip, the nose and the front upper jaw.

literature

  • Franz-Viktor Salomon: nervous system, systema nervosum . In: Salomon / Geyer / Gille (Hrsg.): Anatomy for veterinary medicine . Enke Stuttgart, 2nd ext. 2008, pp. 464-577. ISBN 978-3-8304-1075-1
  • Norbert Schwenzer: Oral and maxillofacial medicine: Dental surgery . Volume 3. Georg Thieme Verlag, 2000, ISBN 9783131169631 , pp. 17-18.